<template>
	<a-row :gutter="10">
		<a-col :xs="24" :sm="24" :md="24" :lg="5" :xl="5">
			<a-card :bordered="false" class="left-tree-container">
				<a-tree
					v-if="treeData.length > 0"
					v-model:expandedKeys="defaultExpandedKeys"
					:tree-data="treeData"
					:field-names="treeFieldNames"
					@select="treeSelect"
				/>
				<a-empty v-else :image="Empty.PRESENTED_IMAGE_SIMPLE">
					<template #description>
						<a-button type="link">请先右侧选择类型</a-button>
					</template>
				</a-empty>
			</a-card>
		</a-col>
		<a-col :xs="24" :sm="24" :md="24" :lg="19" :xl="19">
			<a-card :bordered="false">
				<a-form ref="searchFormRef" name="advanced_search" :model="searchFormState" class="ant-advanced-search-form">
					<a-row :gutter="24">
						<a-col :span="6">
							<a-form-item label="名称" name="name">
								<a-input v-model:value="searchFormState.name" placeholder="请输入名称" />
							</a-form-item>
						</a-col>
						<a-col :span="6">
							<a-form-item label="类型" name="type">
								<a-select
									v-model:value="searchFormState.type"
									placeholder="请选择类型"
									:options="typeOptions"
									@select="loadTreeData"
								/>
							</a-form-item>
						</a-col>
						<a-col :span="6">
							<a-button type="primary" @click="tableRef.refresh()">查询</a-button>
							<a-button style="margin: 0 8px" @click="reset">重置</a-button>
						</a-col>
					</a-row>
				</a-form>
				<s-table
					ref="tableRef"
					:columns="columns"
					:data="loadData"
					:alert="options.alert.show"
					bordered
					:row-key="(record) => record.id"
					:tool-config="toolConfig"
					:row-selection="options.rowSelection"
				>
					<template #operator class="table-operator">
						<a-space>
							<a-button type="primary" @click="formRef.onOpen()" v-if="hasPerm('tblCategoryAdd')">
								<template #icon>
									<plus-outlined />
								</template>
								新增
							</a-button>
							<xn-batch-button
								v-if="hasPerm('tblCategoryBatchDelete')"
								buttonName="批量删除"
								icon="DeleteOutlined"
								:selectedRowKeys="selectedRowKeys"
								@batchCallBack="deleteBatchTblCategory"
							/>
						</a-space>
					</template>
					<template #bodyCell="{ column, record }">
						<template v-if="column.dataIndex === 'type'">
							{{ $TOOL.dictTypeData('category_type', record.type) }}
						</template>
						<template v-if="column.dataIndex === 'action'">
							<a-space>
								<a @click="formRef.onOpen(record)" v-if="hasPerm('tblCategoryEdit')">编辑</a>
								<a-divider type="vertical" v-if="hasPerm(['tblCategoryEdit', 'tblCategoryDelete'], 'and')" />
								<a-popconfirm title="确定要删除吗？" @confirm="deleteTblCategory(record)">
									<a-button type="link" danger size="small" v-if="hasPerm('tblCategoryDelete')">删除</a-button>
								</a-popconfirm>
							</a-space>
						</template>
					</template>
				</s-table>
			</a-card>
		</a-col>
	</a-row>
	<Form ref="formRef" @successful="tableRef.refresh()" />
</template>

<script setup name="category">
	import { cloneDeep, isEmpty } from 'lodash-es'
	import Form from './form.vue'
	import tblCategoryApi from '@/api/biz/tblCategoryApi'
	import { Empty } from 'ant-design-vue'
	import tool from '@/utils/tool'

	const searchFormState = ref({})
	const searchFormRef = ref()
	const tableRef = ref()
	const formRef = ref()
	const treeData = ref([])
	const cardLoading = ref(true)
	// 默认展开的节点
	const defaultExpandedKeys = ref([])
	// 替换treeNode 中 title,key,children
	const treeFieldNames = { children: 'children', title: 'name', key: 'id' }
	const toolConfig = { refresh: true, height: true, columnSetting: true, striped: false }
	const columns = [
		{
			title: '名称',
			dataIndex: 'name'
		},
		{
			title: '类型',
			dataIndex: 'type'
		},
		{
			title: '简介',
			dataIndex: 'introduction'
		},
		{
			title: '排序',
			dataIndex: 'sortCode'
		}
	]
	// 操作栏通过权限判断是否显示
	if (hasPerm(['tblCategoryEdit', 'tblCategoryDelete'])) {
		columns.push({
			title: '操作',
			dataIndex: 'action',
			align: 'center',
			width: 150
		})
	}
	const selectedRowKeys = ref([])
	// 列表选择配置
	const options = {
		// columns数字类型字段加入 needTotal: true 可以勾选自动算账
		alert: {
			show: true,
			clear: () => {
				selectedRowKeys.value = ref([])
			}
		},
		rowSelection: {
			onChange: (selectedRowKey, selectedRows) => {
				selectedRowKeys.value = selectedRowKey
			}
		}
	}
	const loadData = (parameter) => {
		const searchFormParam = cloneDeep(searchFormState.value)
		return tblCategoryApi.tblCategoryPage(Object.assign(parameter, searchFormParam)).then((data) => {
			return data
		})
	}
	// 重置
	const reset = () => {
		searchFormRef.value.resetFields()
		tableRef.value.refresh(true)
		treeData.value = []
	}
	// 删除
	const deleteTblCategory = (record) => {
		let params = [
			{
				id: record.id
			}
		]
		tblCategoryApi.tblCategoryDelete(params).then(() => {
			tableRef.value.refresh(true)
		})
	}
	// 批量删除
	const deleteBatchTblCategory = (params) => {
		tblCategoryApi.tblCategoryDelete(params).then(() => {
			tableRef.value.clearRefreshSelected()
		})
	}
	const typeOptions = tool.dictList('category_type')

	// 点击树查询
	const treeSelect = (selectedKeys) => {
		if (selectedKeys.length > 0) {
			searchFormState.value.parentId = selectedKeys.toString()
		} else {
			delete searchFormState.value.parentId
		}
		tableRef.value.refresh(true)
	}

	// 加载左侧的树
	const loadTreeData = () => {
		tblCategoryApi.categoryTreeSelector({ type: searchFormState.value.type }).then((res) => {
			cardLoading.value = false
			if (res !== null) {
				treeData.value = res
				if (isEmpty(defaultExpandedKeys.value)) {
					// 默认展开2级
					treeData.value.forEach((item) => {
						// 因为0的顶级
						if (item.parentId === '0') {
							defaultExpandedKeys.value.push(item.id)
							// 取到下级ID
							if (item.children) {
								item.children.forEach((items) => {
									defaultExpandedKeys.value.push(items.id)
								})
							}
						}
					})
				}
			} else {
				treeData.value = []
			}
		})
	}
</script>
